//
// Created by spiro on 19-3-8.
//

#include <stdio.h>
#include <stdlib.h>
#define MAX 41

int main(void) {
    FILE * fp;
    char words[MAX];

    if ((fp = fopen("wordy", "a+")) == NULL) {
        fprintf(stdout, "Can't open \"wordy\" file.\n");
        exit(EXIT_FAILURE);
    }

    puts("Enter words to add to the file; press the #");
    puts("key at the beginning of a line to terminate.");
    while ((fscanf(stdin, "%40s", words) == 1) && (words[0] != '#')) {
        fprintf(fp, "%s\n", words);
    }

    puts("File contents:");
    rewind(fp);
    while (fscanf(fp, "%s", words) == 1) {
        puts(words);
    }
    puts("Done!");
    if (fclose(fp) != 0) {
        fprintf(stderr, "Error closing file\n");
    }
    return 0;
}